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| Criterion |  Systems Thinking Evaporating Cloud |  Systems Thinking Iceberg Model |  Operations A3 Problem Solving |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 60-120 min | 30-60 min | 45-90 min | 15-30 min |
Participantsdifferent | 2-8 | 2-10 | 2-5 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Iceberg Worksheet, Pattern Notes, Intervention Ideas | A3 Report, Action Plan, Root Cause Analysis | Root cause notes, Countermeasures |
Tagsno overlap | Theory of ConstraintsAssumptionsSystems thinking | Systems thinkingRoot causePatterns | LeanProblem solvingCoachingOperations | Root causeIncidentLeanProblem solving |